Reliability of Capacitors for DC-Link Applications in Power Electronic Converters: An Overview

Huai Wang; Frede Blaabjerg

doi:10.1109/TIA.2014.2308357

Reliability of Capacitors for DC-Link Applications in Power Electronic Converters: An Overview

Huai Wang, Frede Blaabjerg

AAU Energy

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

DC-link capacitors are an important part in the majority of power electronic converters which contribute to cost, size and failure rate on a considerable scale. From capacitor users' viewpoint, this paper presents a review on the improvement of reliability of dc link in power electronic converters from two aspects: 1) reliability-oriented dc-link design solutions; 2) conditioning monitoring of dc-link capacitors during operation. Failure mechanisms, failure modes and lifetime models of capacitors suitable for the applications are also discussed as a basis to understand the physics-of-failure. This review serves to provide a clear picture of the state-of-the-art research in this area and to identify the corresponding challenges and future research directions for capacitors and their dc-link applications.

Original language	English
Journal	I E E E Transactions on Industry Applications
Volume	50
Issue number	5
Pages (from-to)	3569 - 3578
Number of pages	10
ISSN	0093-9994
DOIs	https://doi.org/10.1109/TIA.2014.2308357
Publication status	Published - Oct 2014

Keywords

Ceramic capacitors
DC link
Electrolytic capacitors
Film capacitors
Power converters
Reliability

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10.1109/TIA.2014.2308357

Reliability of Capacitors for DC-Link Applications in Power Electronic Converters - An OverviewFinal published version, 1.73 MB

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Reliability of Capacitors in Power Electronic Systems (ReliaCap)
Wang, H.
The Danish Council for Independent Research| Technology and Production Sciences
01/01/2013 → 31/12/2014
Project: Research

Cite this

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title = "Reliability of Capacitors for DC-Link Applications in Power Electronic Converters: An Overview",

abstract = "DC-link capacitors are an important part in the majority of power electronic converters which contribute to cost, size and failure rate on a considerable scale. From capacitor users' viewpoint, this paper presents a review on the improvement of reliability of dc link in power electronic converters from two aspects: 1) reliability-oriented dc-link design solutions; 2) conditioning monitoring of dc-link capacitors during operation. Failure mechanisms, failure modes and lifetime models of capacitors suitable for the applications are also discussed as a basis to understand the physics-of-failure. This review serves to provide a clear picture of the state-of-the-art research in this area and to identify the corresponding challenges and future research directions for capacitors and their dc-link applications.",

keywords = "Ceramic capacitors, DC link, Electrolytic capacitors, Film capacitors, Power converters, Reliability",

author = "Huai Wang and Frede Blaabjerg",

year = "2014",

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doi = "10.1109/TIA.2014.2308357",

language = "English",

volume = "50",

pages = "3569 -- 3578",

journal = "I E E E Transactions on Industry Applications",

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T1 - Reliability of Capacitors for DC-Link Applications in Power Electronic Converters

T2 - An Overview

AU - Wang, Huai

AU - Blaabjerg, Frede

PY - 2014/10

Y1 - 2014/10

N2 - DC-link capacitors are an important part in the majority of power electronic converters which contribute to cost, size and failure rate on a considerable scale. From capacitor users' viewpoint, this paper presents a review on the improvement of reliability of dc link in power electronic converters from two aspects: 1) reliability-oriented dc-link design solutions; 2) conditioning monitoring of dc-link capacitors during operation. Failure mechanisms, failure modes and lifetime models of capacitors suitable for the applications are also discussed as a basis to understand the physics-of-failure. This review serves to provide a clear picture of the state-of-the-art research in this area and to identify the corresponding challenges and future research directions for capacitors and their dc-link applications.

AB - DC-link capacitors are an important part in the majority of power electronic converters which contribute to cost, size and failure rate on a considerable scale. From capacitor users' viewpoint, this paper presents a review on the improvement of reliability of dc link in power electronic converters from two aspects: 1) reliability-oriented dc-link design solutions; 2) conditioning monitoring of dc-link capacitors during operation. Failure mechanisms, failure modes and lifetime models of capacitors suitable for the applications are also discussed as a basis to understand the physics-of-failure. This review serves to provide a clear picture of the state-of-the-art research in this area and to identify the corresponding challenges and future research directions for capacitors and their dc-link applications.

KW - Ceramic capacitors

KW - DC link

KW - Electrolytic capacitors

KW - Film capacitors

KW - Power converters

KW - Reliability

U2 - 10.1109/TIA.2014.2308357

DO - 10.1109/TIA.2014.2308357

M3 - Journal article

SN - 0093-9994

VL - 50

SP - 3569

EP - 3578

JO - I E E E Transactions on Industry Applications

JF - I E E E Transactions on Industry Applications

IS - 5

ER -

Reliability of Capacitors for DC-Link Applications in Power Electronic Converters: An Overview

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Reliability of Capacitors in Power Electronic Systems (ReliaCap)

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